Function formatValidationPath

src/utils/toolErrors.ts:47–57

* Formats a Zod validation path into a readable string * e.g., ['todos', 0, 'activeForm'] => 'todos[0].activeForm'

(path: PropertyKey[])

 * e.g., ['todos', 0, 'activeForm'] => 'todos[0].activeForm'
 */
function formatValidationPath(path: PropertyKey[]): string {
  if (path.length === 0) return ''

  return path.reduce((acc, segment, index) => {
    const segmentStr = String(segment)
    if (typeof segment === 'number') {
      return `${String(acc)}[${segmentStr}]`
    }
    return index === 0 ? segmentStr : `${String(acc)}.${segmentStr}`
  }, '') as string
}

/**
 * Converts Zod validation errors into a human-readable and LLM friendly error message